Seiko Cal. 4425 - 154

Released in 1971, the Cal. 4425 with design code 154 was part of Seiko's domestic market collection. Powered by the 4425 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-c1ad7ff89aae]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1971

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